<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
<% String context=request.getContextPath(); %>

</head>
<body>
    <div>
        <form action="<%=context %>/login" method="post">
            <input type="text" name="username">
            <input type="submit" value="SUBMIT">
        </form>
        
    <a href="<%=context %>/jsp/login/login.jsp">返回</a>
    </div>
</body>
</html>